Classboard: Keep class synced app analytics for April 16

Classboard is a simply-designed app to help you keep track of your class activities. The app's main features include: 1. Create an account or sign in to an existing one. 2. Join or create a board for your class. Each board has a unique board code that can be shared and grants access to a board. You can only join one board at a time. 3. Enjoy access to the class board, timetable and resources.